Sha256: 865d9ee30f3339abef6153c209e22510733498213c5d529b2424961cfb3482f9
Contents?: true
Size: 1.55 KB
Versions: 42
Compression:
Stored size: 1.55 KB
Contents
# frozen_string_literal: true
require "active_support/core_ext/object/try"
module ActiveModel
module Type
# = Active Model \Float \Type
#
# Attribute type for floating point numeric values. It is registered under
# the +:float+ key.
#
# class BagOfCoffee
# include ActiveModel::Attributes
#
# attribute :weight, :float
# end
#
# Values are cast using their +to_f+ method, except for the following
# strings:
#
# - Blank strings are cast to +nil+.
# - <tt>"Infinity"</tt> is cast to +Float::INFINITY+.
# - <tt>"-Infinity"</tt> is cast to <tt>-Float::INFINITY</tt>.
# - <tt>"NaN"</tt> is cast to +Float::NAN+.
#
# bag = BagOfCoffee.new
#
# bag.weight = "0.25"
# bag.weight # => 0.25
#
# bag.weight = ""
# bag.weight # => nil
#
# bag.weight = "NaN"
# bag.weight # => Float::NAN
class Float < Value
include Helpers::Numeric
def type
:float
end
def type_cast_for_schema(value)
return "::Float::NAN" if value.try(:nan?)
case value
when ::Float::INFINITY then "::Float::INFINITY"
when -::Float::INFINITY then "-::Float::INFINITY"
else super
end
end
private
def cast_value(value)
case value
when ::Float then value
when "Infinity" then ::Float::INFINITY
when "-Infinity" then -::Float::INFINITY
when "NaN" then ::Float::NAN
else value.to_f
end
end
end
end
end
Version data entries
42 entries across 42 versions & 6 rubygems